package com.atguigu.admin.controller;


import com.atguigu.admin.bean.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;


@Controller
public class IndexController {

    @Autowired
    JdbcTemplate jdbcTemplate;





    @GetMapping("/sql")
    @ResponseBody
    public String queryList(){
        Integer integer = jdbcTemplate.queryForObject("select count(*) from admin", Integer.class);

        return integer.toString();
    }


    @GetMapping(value = {"/","/login"})
    public String loginPage(){
        return "login";
    }

    @GetMapping("/main.html")
    public String mainPage(){


        return "main";
    }

    @PostMapping("/login")
    public String main(User user, HttpSession session, Model model){
        if(StringUtils.hasLength(user.getUserName()) && "123456".equals(user.getPassword())){
            //把登陆成功的用户保存起来
            session.setAttribute("loginUser",user);
            //登录成功重定向到main.html;  重定向防止表单重复提交
            return "redirect:/main.html";
        }else {
            model.addAttribute("msg","账号密码错误");
            //回到登录页面
            return "login";
        }

    }
}
